wslay_net.c 1.4 KB

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  1. /*
  2. * Wslay - The WebSocket Library
  3. *
  4. * Copyright (c) 2011, 2012 Tatsuhiro Tsujikawa
  5. *
  6. * Permission is hereby granted, free of charge, to any person obtaining
  7. * a copy of this software and associated documentation files (the
  8. * "Software"), to deal in the Software without restriction, including
  9. * without limitation the rights to use, copy, modify, merge, publish,
  10. * distribute, sublicense, and/or sell copies of the Software, and to
  11. * permit persons to whom the Software is furnished to do so, subject to
  12. * the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be
  15. * included in all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21. * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22. * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23. * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24. */
  25. #include "wslay_net.h"
  26. #ifndef WORDS_BIGENDIAN
  27. uint64_t wslay_byteswap64(uint64_t x)
  28. {
  29. uint64_t u = ntohl(x & 0xffffffffllu);
  30. uint64_t l = ntohl(x >> 32);
  31. return (u << 32) | l;
  32. }
  33. #endif /* !WORDS_BIGENDIAN */